Home / 1,874.18-2,811.54-575.76

Finding the Fourth Proportional to 1,874.18, 2,811.54 and 575.76

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Solution

The fourth proportional to 1,874.18, 2,811.54 and 575.76 is: 863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.18 : 2,811.54 = 575.76 : x
  2. Step 2: Convert to fraction form
    1,874.18/2,811.54 = 575.76/x
  3. Step 3: Cross multiply
    1,874.18x = 2,811.54 × 575.76
  4. Step 4: Simplify right side
    1,874.18x = 1,618,772.27
  5. Step 5: Solve for x
    x = 1,618,772.27/1,874.18
  6. Step 6: Final answer
    x = 863.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.